Looking for 1 month housing in SF in July (exact date flexible)

I'm looking for a place to stay for a month in SF which is conveniently located to Caltrain station. Exact dates are flexible but I'm looking to start preferably early July and stay till early Aug.

If you've a place and are traveling during this time, I'd be happy to take up.

Preferred Neighborhoods: Mission Bay, Dog Patch, Mission Dolores